Brake-beam.



H. ZIBMSS, JR.-

. BRAKE BEAM.

APPLICATION FILED SEPT. 2, 190a.

Patented Julie 1,1909.

HENRY ZIEMSS, JR, OF CHICAGO, ILLINOIS.

BRAKE-BEAM.

Application filed September 2, 1908.

Specification of Letters Patent.

Patented June 1, 1909.

Serial No. 451,359.

citizen of the L'nited States, residing at Chicago, in the county ofCook and State of Illinois, have invented certain new and usefulImprovements in Brake-Beams, of which the following is a specification.

The object of this invention is to provide improved means for adjustablysecuring the brake head to the brake beam.

In the accompanying drawings, Figure 1 is a fragmental sectional view ofa brake beam and a brake head embodying the features of my invention.This view is taken substantially upon the plane of dotted line 1 1 ofFig. 2, the latter view being a fragmental end elevation. V

The embodiment which I have chosen for illustration comprises a sleeve 1having an end flange 2. The brake head 3 has a circular opening 1 toreceive the sleeve 1, said brake head being arranged to lie against theflange 2 and thereby be held against move ment longitudinally of thebrake beam in one direction.

The means for locking the brake head in desired angular adjustment uponthe beam comprises, in this instance, a toothed block 5 slidably mountedin one side of the brake head and adapted to engage a toothed surface 6upon the flange 2, and a similar block 7 adapted to engage a toothedsurface 8 upon the inner side of a flange 9. The last mentioned flangeis removably secured to the outer end of the sleeve 1 in order that thebrake head 3 may be placed upon the beam and removed when desired. Asherein shown, a portion of the flange 9 lies between undercut lugs 10 onthe sleeve 1, a bolt 11 securing the flange to said sleeve. The toothedblock 7 has an opening 12 therein within which lies the head 13 of abolt 14. Any suitable means may be used to make the head 13non-rotatable in the opening 12; said head may be square and the opening12 of corresponding form. The other end of said bolt has a screw-threadengagement with a nut 15, which may be hexagonal or of any other formadapted for engagement by a wrench or similar tool. Said nut 15 has acylindrical stud or )ivot 16 thereon, which is rotatably mountec in anopening 17 in the locking block 5. 18 is a washer lying against thelocking block 7 and having an opening therein, through which the belt141 passes. A coiled spring 19 lies between the washer 18 and the nut15, being held in place by lugs 20 on the washer 18 and a portion 21 ofreduced diameter on the nut 15.

When the parts are arranged as illustrated and as just described, thespring 19, bearing against the nut 15 and the washer 18, holds thelocking blocks 5 and 7 yieldingly in engagement with the flanges 2 and9. The nut 15 may be locked against accidental rotation by any wellknown or preferred means, such as a washer 22 having a lug 23 adapted tolie in an opening 24 in the locking block 5, and a lug 25 adapted to beturned up into contact with one of the angular faces of the nut 15.

When it is desired to lock the brake head 3 positively against movementwith relation to the brake beam, the nut 15 may be rotated to force thehead of the bolt 13 against the bottom of the opening 12 and therebyhold both of the locking blocks 5 and 7 unyieldingly against the flanges2 and 9.

I wish it to be understood that I do not desire to be limited to theexact details of construction shown and described for obviousmodifications -will occur to a person skilled in the art.

I claim as my invention:

1. A brake beam having two projecting portions thereon; a brake headheld from longitudinal movement by said portions; and locking meanscarried by said head and adapted to engage said portions yieldingly,said locking means also being adapted to engage said portions rigidly.

2. A brake beam having two projecting portions thereon; a brake headadapted to lie between said portions; two members movably mounted inopposite sides of said brake head; and means for holding said membersagainst said portions.

3. A brake beam having two toothed portions thereon; a brake headadapted to lie between said ortions' two toothed members 00 movablymounted in opposite sides of said head; and means for holding saidmembers in engagement with said portions.

4.. A brake beam having two projecting portions thereon; a brake headadapted to lie between said portions; two blocks slidably mounted inopposite sides of said brake head; and a coiled spring lying betweensaid blocks and holding said blocks in engagement with said portions.

5. A brake beam having two projecting portions thereon; a brake headadapted to lie between said portions; two locking memi means on saidbeam to limit inward movebers movably mounted in opposite sides 01' mentof said brake head; a flange on said said brake head and arranged toengage l brake beam overlying said brake head; alug said projectingportions; a bolt having a against which said flange lies; and abolt ex-5 lieaid non-roatably dengaging one1 of said tending through said flangeinto said beam. 15

0c ung mem ers;an anut rotatab en ag ing the other locking member andfllirea ded 1 HENRY ZIEMSS upon said bolt.

6. The combination of a brake beam; a 10 brake head mounted on saidbrake beam;

Witnesses CHAs. ZIEMss, ANDREW HAERB

